CPU
GPU
Ryzen 9 9900X3D
EPYC 8324P
Performance Spectrum - CPU
About PassMark
PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.
Value Upgrade Path
This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. Components placed above yours deliver better value for money.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Ryzen 9 9900X3D
Performance Per Dollar EPYC 8324P
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Ryzen 9 9900X3D | EPYC 8324P |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($589) | ⚠️ Higher cost ($3,598) |
| Longevity | ✨ Modern (Granite Ridge (2024−2025) / 4 nm) | ✨ Modern (Siena (2023−2024) / 5 nm) |
💎 Value Proposition
| Insight | Ryzen 9 9900X3D | EPYC 8324P |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+502%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($589) | ⚠️ Higher cost ($3,598) |
Performance Check
To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.
Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.
Technical Specifications
Side-by-side comparison of Ryzen 9 9900X3D and EPYC 8324P
Ryzen 9 9900X3D
The Ryzen 9 9900X3D is manufactured by AMD. It was released in 6 January 2025 (less than a year ago). It is based on the Granite Ridge (2024−2025) architecture. It features 12 cores and 24 threads. Base frequency is 4.4 GHz, with boost up to 5.5 GHz. L3 cache: 128 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: AM5. Thermal design power (TDP): 120 Watt. Memory support: DDR5. Passmark benchmark score: 56,301 points. Launch price was $599.
EPYC 8324P
The EPYC 8324P is manufactured by AMD. It was released in 18 September 2023 (2 years ago). It is based on the Siena (2023−2024) architecture. It features 32 cores and 64 threads. Base frequency is 2.65 GHz, with boost up to 3 GHz. L3 cache: 128 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: SP6. Thermal design power (TDP): 180 Watt. Memory support: DDR5. Passmark benchmark score: 57,127 points. Launch price was $1,895.
Processing Power
The Ryzen 9 9900X3D packs 12 cores / 24 threads, while the EPYC 8324P offers 32 cores / 64 threads — the EPYC 8324P has 20 more cores. Boost clocks reach 5.5 GHz on the Ryzen 9 9900X3D versus 3 GHz on the EPYC 8324P — a 58.8% clock advantage for the Ryzen 9 9900X3D (base: 4.4 GHz vs 2.65 GHz). The Ryzen 9 9900X3D uses the Granite Ridge (2024−2025) architecture (4 nm), while the EPYC 8324P uses Siena (2023−2024) (5 nm). In PassMark, the Ryzen 9 9900X3D scores 56,301 against the EPYC 8324P's 57,127 — a 1.5% lead for the EPYC 8324P. Both processors carry 128 MB (total) of L3 cache.
| Feature | Ryzen 9 9900X3D | EPYC 8324P |
|---|---|---|
| Cores / Threads | 12 / 24 | 32 / 64+167% |
| Boost Clock | 5.5 GHz+83% | 3 GHz |
| Base Clock | 4.4 GHz+66% | 2.65 GHz |
| L3 Cache | 128 MB (total) | 128 MB (total) |
| L2 Cache | 1 MB (per core) | 1 MB (per core) |
| Process | 4 nm-20% | 5 nm |
| Architecture | Granite Ridge (2024−2025) | Siena (2023−2024) |
| PassMark | 56,301 | 57,127+1% |
| Geekbench 6 Single | 3,400 | — |
| Geekbench 6 Multi | 26,000 | — |
Memory & Platform
The Ryzen 9 9900X3D uses the AM5 socket (PCIe 5.0), while the EPYC 8324P uses SP6 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-5600 on the Ryzen 9 9900X3D versus 4800 on the EPYC 8324P — the EPYC 8324P supports 199.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The EPYC 8324P supports up to 1152 of RAM compared to 192 GB — 142.9% more capacity for professional workloads. Memory channels: 2 (Ryzen 9 9900X3D) vs 6 (EPYC 8324P). PCIe lanes: 24 (Ryzen 9 9900X3D) vs 96 (EPYC 8324P) — the EPYC 8324P offers 72 more lanes for additional GPUs or NVMe drives. Chipset compatibility: X670,X670E,X870,X870E (Ryzen 9 9900X3D) and SP6 (EPYC 8324P).
| Feature | Ryzen 9 9900X3D | EPYC 8324P |
|---|---|---|
| Socket | AM5 | SP6 |
| PCIe Generation | PCIe 5.0+25% | PCIe 4.0 |
| Max RAM Speed | DDR5-5600 | 4800+95900% |
| Max RAM Capacity | 192 GB+17476167% | 1152 |
| RAM Channels | 2 | 6+200% |
| ECC Support | ✅ | ✅ |
| PCIe Lanes | 24 | 96+300% |
Advanced Features
Only the Ryzen 9 9900X3D has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: AMD-V (Ryzen 9 9900X3D) vs VT-x, VT-d (EPYC 8324P). The Ryzen 9 9900X3D includes integrated graphics (AMD Radeon Graphics (2 Cores)), while the EPYC 8324P requires a dedicated GPU. Primary use case: Ryzen 9 9900X3D targets High End Gaming/Creation. Direct competitor: Ryzen 9 9900X3D rivals Core Ultra 9 285K; EPYC 8324P rivals Xeon Platinum 8452Y.
| Feature | Ryzen 9 9900X3D | EPYC 8324P |
|---|---|---|
| Integrated GPU | Yes | No |
| IGPU Model | AMD Radeon Graphics (2 Cores) | None |
| Unlocked | Yes | No |
| AVX-512 | Yes | Yes |
| Virtualization | AMD-V | VT-x, VT-d |
| Target Use | High End Gaming/Creation | — |
Value Analysis
The Ryzen 9 9900X3D launched at $599 MSRP, while the EPYC 8324P debuted at $1895. At current prices ($589 vs $3598), the Ryzen 9 9900X3D is $3009 cheaper. In terms of value (PassMark points per dollar), the Ryzen 9 9900X3D delivers 95.6 pts/$ vs 15.9 pts/$ for the EPYC 8324P — making the Ryzen 9 9900X3D the 143% better value option.
| Feature | Ryzen 9 9900X3D | EPYC 8324P |
|---|---|---|
| MSRP | $599-68% | $1895 |
| Avg Price (30d) | $589-84% | $3598 |
| Performance per Dollar | 95.6+501% | 15.9 |
| Release Date | 2025 | 2023 |
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